Finding the Fourth Proportional to 622,831.20, 934,246.80 and 482,863.20
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Solution
The fourth proportional to 622,831.20, 934,246.80 and 482,863.20 is: 724,294.80
Step by Step Solution
- Step 1: Write the proportion equation
622,831.20 : 934,246.80 = 482,863.20 : x - Step 2: Convert to fraction form
622,831.20/934,246.80 = 482,863.20/x - Step 3: Cross multiply
622,831.20x = 934,246.80 × 482,863.20 - Step 4: Simplify right side
622,831.20x = 451,113,399,437.76 - Step 5: Solve for x
x = 451,113,399,437.76/622,831.20 - Step 6: Final answer
x = 724,294.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.